/*
* @Author: ZhangZheyi
* @Date:   2017-01-10 10:04:36
* @Last Modified by:   ZhangZheyi
* @Last Modified time: 2017-01-12 09:04:52
*/
body{
   h1{
    color: green;
   }
}
.webpack {
     background: url(../img/webpack.png) no-repeat center;
     height:500px;
 }
.small-webpack {
    height:250px;
}